98148691 has 2 divisors, whose sum is σ = 98148692. Its totient is φ = 98148690.

The previous prime is 98148647. The next prime is 98148727. The reversal of 98148691 is 19684189.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98148691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98148601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49074345 + 49074346.

It is an arithmetic number, because the mean of its divisors is an integer number (49074346).

Almost surely, 2^98148691 is an apocalyptic number.

98148691 is a deficient number, since it is larger than the sum of its proper divisors (1).

98148691 is an equidigital number, since it uses as much as digits as its factorization.

98148691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 46.

The square root of 98148691 is about 9907.0021197131. The cubic root of 98148691 is about 461.2766849768.

The spelling of 98148691 in words is "ninety-eight million, one hundred forty-eight thousand, six hundred ninety-one".